Toro HydroJect 3010, Service Manual

Page: 55 / 124

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Aerate Operation Problems
Condition Possible Cause Correction
Machine continues to aerate (but See Safety Interlock System Prob­
should not) with traction bail in lems.
neutral.
Machine aerates (but should not) See Safety Interlock System Prob­
with with machine raised in trans­ lems.
port position.
Machine starts aerating (but Water pressure switch faulty. Test switch and replace if faulty.
should not) with inlet water pres­
sure of less than 20 to 30 PSI, or Water pressure switch wiring faulty. Check for short in pressure
machine does not stop aerating if switch/controller connections and
inlet water pressure drops to wiring and repair as necessary.
10 PSI.
Controller faulty. Replace controller.
Machine does not start aerating Problem not electrical (see Chap­
when engage button is pushed in ter 6 - Water System.)
(pump drive belt does NOT ro­
tate). Loose or broken wire. Check all connections and wiring
and repair as necessary.
Accumulator charge switch faulty. Test switch and replace if faulty.
Accumulator high pressure switch Accumulator high pressure
faulty. switch faulty.T
Pressure gauge switch faulty. Test switch and replace if faulty.
Pump clutch faulty. Test clutch and replace if faulty.
Pump relay faulty. Test relay and replace if faulty.
Aerator stop (disengage) switch Test switch and replace if faulty.
faulty.
Wheel position switch faulty. Make sure switch is installed
properly. Test switch and replace
if faulty.
Aerator start (engage) switch faulty. Test switch and replace if faulty.
Controller faulty. Replace controller.
Hydroject 3010 Page 5 - 11 Troubleshooting